45.paramiko python操控远程主机

import paramiko, re, time

class Linux(object):
def init(self, info):
self.ip = info[‘ip‘]
self.user = info[‘user‘]
self.passw = info[‘passw‘]

def linuxConnect(self):
    # 实例化一个transport对象
    try:
        self.transport = paramiko.Transport((self.ip, 22))
        # 建立连接
        self.transport.connect(username=self.user, password=self.passw)
        # 建立ssh对象
        self.ssh = paramiko.SSHClient()
        # 绑定transport到ssh对象
        self.ssh._transport = self.transport
        stdin, stdout, stderr = self.ssh.exec_command(‘ls‘)
        if stdout.read() != ‘‘:
            print(‘连接成功‘)
            return self.ssh
        else:
            self.linuxConnect()
    except:
        print(‘连接失败‘)
        return ‘fail‘

def linuxSend(self, info):
    stdin, stdout, stderr = self.ssh.exec_command(info)
    if re.search(‘docker exec‘, info):
        return
    result = stdout.read().decode()
    return result

def linuxReceive(self, info):
    stdin, stdout, stderr = self.ssh.exec_command(info)
    result = stdout.readlines()
    return result

# 关闭连接
def linuxClose(self):
    self.transport.close()

if name == ‘main‘:

linux = Linux({"ip": "10.20.70.11", "user": "root", "passw": "1"})
linux.linuxConnect()
rev = linux.linuxReceive(‘LANG=en_US.UTF-8;sar -u 1 1‘)
print(rev[-1])
print(float(re.findall(‘(\S+)‘, rev[-1])[2]))
v_CPU = 100 - float(re.findall(‘(\S+)‘, rev[-1])[-1])  # 获取cpu使用率
print(v_CPU)

打印:
  连接成功
  Average:        all      0.00      0.00      0.00      0.00      0.00    100.00

  0.0
  0.0

45.paramiko python操控远程主机

原文：https://www.cnblogs.com/liuzhanghao/p/12974559.html